Home / 193,553,783.20-290,381,996.40-84,332,087.20

Finding the Fourth Proportional to 193,553,783.20, 290,381,996.40 and 84,332,087.20

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Solution

The fourth proportional to 193,553,783.20, 290,381,996.40 and 84,332,087.20 is: 126,520,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,553,783.20 : 290,381,996.40 = 84,332,087.20 : x
  2. Step 2: Convert to fraction form
    193,553,783.20/290,381,996.40 = 84,332,087.20/x
  3. Step 3: Cross multiply
    193,553,783.20x = 290,381,996.40 × 84,332,087.20
  4. Step 4: Simplify right side
    193,553,783.20x = 24,488,519,841,714,884
  5. Step 5: Solve for x
    x = 24,488,519,841,714,884/193,553,783.20
  6. Step 6: Final answer
    x = 126,520,491.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.